package org.webslinger.commons.vfs.tests;

 import org.webslinger.httpunit.WebslingerTestCase;

 import java.io.EOFException;

 import java.io.File;

 import java.io.IOException;

 import java.io.OutputStream;

 import org.apache.commons.vfs.FileObject;

 import org.apache.commons.vfs.RandomAccessContent;

 import org.apache.commons.vfs.Selectors;

 import org.apache.commons.vfs.impl.StandardFileSystemManager;

 import org.apache.commons.vfs.util.RandomAccessMode;

 import org.webslinger.containers.TestContainer;

 import org.webslinger.commons.vfs.VFSUtil;

 import org.webslinger.commons.vfs.virtual.VirtualFileSystem;

 import org.webslinger.io.IOUtil;

 import static org.webslinger.commons.vfs.tests.TestUtil.checkContent;

 public class TestWsvfs extends TestContainer.TestContainerTestCase {

     protected StandardFileSystemManager sfsm;

     protected FileObject root;

     public TestWsvfs(String name) {

         super(name);

     }

     protected void setUp() throws Exception {

         super.setUp();

         sfsm = VFSUtil.createStandardFileSystemManager();

         sfsm.setBaseFile(new File(getTestLocation(), getName()));

         root = sfsm.createVirtualFileSystem(sfsm.resolveFile("."));

         root.delete(Selectors.SELECT_ALL);

     }

     protected void tearDown() throws Exception {

         root.delete(Selectors.SELECT_ALL);

         super.tearDown();

     }

     public void testJunctions() throws Exception {

         VirtualFileSystem vfs = (VirtualFileSystem) sfsm.createFileSystem("wsvfs", root.resolveFile("virtual")).getFileSystem();

         FileObject top = vfs.getRoot();

         VFSUtil.setString(root, "real/dir1/file1", "abc");

         VFSUtil.setString(root, "real/dir2/file2", "123");

         VFSUtil.setString(root, "real/dir3/file3", "fiddleumdeedee");

         VFSUtil.setString(root, "virtual/dir1/file4", "don'tever");

         VFSUtil.setString(root, "virtual/dir2/file5", "sitona");

         VFSUtil.setString(root, "virtual/dir3/file6", "woodpecker'sknee");

         vfs.addJunction("dir1/file1", root.resolveFile("/real/dir1/file1"));

         VFSUtil.tree(top, System.err);

         checkContent("dir1/file1(resolve)", vfs.resolveFile("/dir1/file1"), null, "abc", true);

         checkContent("dir1/file4(resolve)", vfs.resolveFile("/dir1/file4"), null, "don'tever", true);

         assertTrue("dir1 has children", vfs.resolveFile("/dir1").getType().hasChildren());

         FileObject[] children = vfs.resolveFile("/dir1").getChildren();

         assertTrue("dir1 getChildren not null", children != null);

         boolean foundFile1 = false, foundFile4 = false;

         for (FileObject child: children) {

             String name = child.getName().getBaseName();

             if (name.equals("file1")) {

                 foundFile1 = true;

                 checkContent("dir1/file1(getChildren)", child, null, "abc", true);

             } else if (name.equals("file4")) {

                 foundFile4 = true;

                 checkContent("dir1/file4(getChildren)", child, null, "don'tever", true);

             } else {

                 fail("Found extra child in dir1(" + name + ")");

             }

         }

         assertTrue("dir1 getChildren contains file1", foundFile1);

         assertTrue("dir1 getChildren contains file4", foundFile4);

         vfs.removeJunction("/dir1/file1");

         checkContent("dir1/file4(resolve)", vfs.resolveFile("/dir1/file4"), null, "don'tever", true);

         assertFalse("dir1/file1 does not exist after removeJunction", vfs.resolveFile("/dir1/file1").exists());

     }

 }